cycles: add reader for i386 and aarch64

Signed-off-by: Noah Watkins <noahwatkins@gmail.com>
lttng: add int type definitions

The normal path through #include <lttng/tracepoint.h> doesn't
appear to include int defintions like uint64_t that are used
in Ceph so we add our definitions file.

Signed-off-by: Noah Watkins <noahwatkins@gmail.com>
debian: enable libgoogle-perftools-dev on arm64

These binaries haven't landed in Ubuntu, but they are in
sid and jessie for arm64. On Saucy I've installed them by
hand from ports.ubuntu.com and things seems pretty swell.

Signed-off-by: Noah Watkins <noahwatkins@gmail.com>
Merge pull request #3144 from ceph/wip-aarch64

fixes for aarch64

Reviewed-by: Sage Weil <sage@redhat.com>
Reviewed-by: Haomai Wang <haomaiwang@gmail.com>